Vent stack cover
Description
FIG. 1 is a perspective view taken from the top, front and left side of a vent stack cover showing my new design;
FIG. 2 is a front elevational view thereof;
FIG. 3 is a rear elevational view thereof;
FIG. 4 is a left side elevational view thereof;
FIG. 5 is a right side elevational view thereof;
FIG. 6 is a top plan view thereof; and,
FIG. 7 is a bottom view thereof.
Referenced Cited
U.S. Patent Documents
Foreign Patent Documents
D139787 | December 1944 | Hausman |
D252337 | July 10, 1979 | Hehnen |
D268826 | May 3, 1983 | Carbajales |
D275311 | August 28, 1984 | Wolfe |
D286560 | November 4, 1986 | Wolfe |
1893993 | January 1933 | Hirsch |
2855712 | October 1958 | Diletto |
3153871 | October 1964 | Semba |
712577 | November 1941 | DEX |
929615 | February 1948 | FRX |
Patent History
Patent number: D337152
Type: Grant
Filed: Apr 4, 1991
Date of Patent: Jul 6, 1993
Inventor: Robert W. Smart (Beaverton, OR)
Primary Examiner: James R. Largen
Attorney: Terry M. Gernstein
Application Number: 7/680,279
Type: Grant
Filed: Apr 4, 1991
Date of Patent: Jul 6, 1993
Inventor: Robert W. Smart (Beaverton, OR)
Primary Examiner: James R. Largen
Attorney: Terry M. Gernstein
Application Number: 7/680,279
Classifications
Current U.S. Class:
Cap, Plug, Vent Or Screen (11) (D23/260);
Roof Or Chimney (D23/373);
Chimney (D23/374)